The order of books on an author's profile is automatic, and cannot be manually changed. It depends on two factors:
1) whether the author is the primary (first-listed) author of the work, or a contributor or other secondary author; 2) the number of times the work has been shelved by users.
The popularity sort on the author's book list only looks at factor #2.
1) whether the author is the primary (first-listed) author of the work, or a contributor or other secondary author;
2) the number of times the work has been shelved by users.
The popularity sort on the author's book list only looks at factor #2.